21893076

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 37546668

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 83, 102, 153, 166, 204, 249, 306, 332, 431, 498, 612, 747, 862, 996, 1293, 1411, 1494, 1724, 2586, 2822, 2988, 3879, 4233, 5172, 5644, 7327, 7758, 8466, 12699, 14654, 15516, 16932, 21981, 25398, 29308, 35773, 43962, 50796, 65943, 71546, 87924, 107319, 131886, 143092, 214638, 263772, 321957, 429276, 608141, 643914, 1216282, 1287828, 1824423, 2432564, 3648846, 5473269, 7297692, 10946538, 21893076]

約数ペア:

[(1, 21893076), (2, 10946538), (3, 7297692), (4, 5473269), (6, 3648846), (9, 2432564), (12, 1824423), (17, 1287828), (18, 1216282), (34, 643914), (36, 608141), (51, 429276), (68, 321957), (83, 263772), (102, 214638), (153, 143092), (166, 131886), (204, 107319), (249, 87924), (306, 71546), (332, 65943), (431, 50796), (498, 43962), (612, 35773), (747, 29308), (862, 25398), (996, 21981), (1293, 16932), (1411, 15516), (1494, 14654), (1724, 12699), (2586, 8466), (2822, 7758), (2988, 7327), (3879, 5644), (4233, 5172)]